Asus Download Master Please Check Your Connection With The Router

Ane kan punya router asus tipe rt-n56u, nah ane kok ngga bisa pake download master ya? tipe firmware ane 3.0.0.4.374_239. setiap mau connect ke download master tulisannya "device not found - no device was found! please check your network connection and try again" padahal pas di 192.168.1.1 usbnya connect.. Download master and enhanced media